.content{
    width: 80%;
    margin: 0 auto;
}
.mainbody{
    background-color: #ebebeb;
    padding: 40px 0;
}
.mainbody-3{
    display: inline-block;
    text-align: center;
    width: 100%;
}
.page-box{
    margin: 0 3px;
    display: inline-block;
    height: 30px;
    width: 30px;
    background-color: white;
    font-weight: 400;
    border-radius: 4px;
    border: 1px solid transparent;
    text-align: center;
    color: #999;
}
#first{
    color: #333;
    background: #ffe300;
}
.page-box span{
    display: inline-block;
    margin-top: 5px;
}
.page-box:hover{
    color: #333;
    background: #ffe300;
    cursor:pointer;
}
.mainbody-3-img img{
    margin-top: 30px;
    background-color: #aaaaaa;
    width: 100%;
}
.mainbody-3-projeck{
    overflow: hidden;
    margin-bottom: 10px;
}
.mainbody-3-projeck-header{
    overflow: hidden;
}
#left{
    float: left;
}
#right{
    float: right;
    color: #b44040;
}
.mainbody-3-projeck-box{
    background-color: white;
    width: 220px;
    height: 180px;
    display: inline-block;
    margin-right: 24px;
    font-size: 12px;
}
.mainbody-3-projeck-box img{
    width: 100%;
}
#five{
    margin-right: 0;
}